Q: What is the sum of all factors of the number 123,421,400 including 123,421,400?

Why is 286,955,220 the sum of all factors of 123,421,400, including 123,421,400?

The factors of the number 123,421,400 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 617107, 1234214, 2468428, 3085535, 4936856, 6171070, 12342140, 15427675, 24684280, 30855350, 61710700, 123421400.

If you add them up, you will get the total of 286,955,220.

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